Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 255 days
Number of rainy days: 85 days
Number of snow days: 25 days
Look at detailed online map of Chāyān
* Weather data for Chāyān Iran is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.2 | 7.5 | 13.3 | 18.9 | 25.1 | 31.2 | 35.3 | 34.9 | 31.9 | 22.0 | 16.4 | 13.6 |
| Average daytime temperature (°C) | -1.8 | -0.4 | 9.5 | 14.3 | 19.9 | 27.0 | 32.2 | 30.6 | 27.1 | 18.5 | 12.1 | 8.6 |
| Average temperature (°C) | -3.9 | -3.0 | 5.4 | 9.5 | 14.5 | 20.6 | 25.6 | 24.5 | 20.8 | 13.5 | 7.4 | 4.4 |
| Average night temperature (°C) | -6.3 | -5.8 | 1.8 | 4.8 | 8.5 | 13.9 | 18.8 | 18.6 | 15.2 | 8.9 | 3.5 | 1.1 |
| Absolute minimum temperature (°C) | -11.9 | -12.0 | -4.3 | -6.4 | 1.6 | 9.6 | 15.5 | 13.9 | 10.8 | 5.0 | -4.1 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 8.9 | 8.1 | 10.8 | 11.8 | 13.0 | 12.6 | 11.8 | 11.3 | 9.4 | 8.4 | 7.4 |
| Precipitation (mm) | 52 | 47 | 74 | 47 | 27 | 17 | 0 | 0 | 0 | 16 | 25 | 26 |
| Sunny days | 16 | 17 | 12 | 18 | 17 | 24 | 29 | 31 | 28 | 20 | 22 | 21 |
| Rainy days | 2 | 2 | 19 | 12 | 14 | 6 | 2 | 0 | 2 | 11 | 7 | 8 |
| Snow days | 13 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Chāyān during the most sunny months:
The largest precipitation sum in Chāyān is at